Vacuum-pan



(No Model.)

J. KELLY.

VACUUM-PAN. No. 278,150'. Patented May 22,1883'.

UNITED STATES PATENT OFFICE.

JOHN KELLY, OF LULING, LOUISIANA.

VvAcuulvi-Parv.

SPECIFICATION forming part of Letters Patent No.127'8,150, dated May 22, 1883. Y

' `Application filed February S, 1883. (No model.)

To all 'whom zt may concern Be it known that I, JOHN KELLY, a resident of Luling. in the 'parish of St. Charles and State of Louisiana, have invented a certain new and useful Improvement in Vacuum-Pans; and I do hereby declare the following to be a full,clear, and correct description of the same, reference being had to the annexed drawings,

making a part of this specitication.

This invention is specially adapted for use in the art of sugar-making, and itconsists in the combination of a vacuum-pan and condenser, and provides for the escape from the former of the acids contained in the condensation of the vapors or steam arising therein.

The nature of my inventionwill be readily understood by referring to the accompanying drawings, whereon Figure l is a side view, partly in section, of a vacuum-pan provided with my improvements. Fig. 2 is a top view of my condensing-section, and Fig. 3 a top view of the spray-plate thereof.

Onthe drawings, the letter A represents an ordinary vacuum-pan. Between` this pan and its cover B, I introduce a section or ring, C, having iianges d d', corresponding with those ofthe pan and cover, so as to be bolted thereto.

The lower part of this section is provided with an internal dome, E, having an opening in the top thereof, said openingsurrounded by a rim or iiange, as shown at f, for preventing the condensations from overilowing the same. Immediately above the base ofthe dome E the ring or condensing-section is Vprovided with two (more or less) overllow-pipes, as at G G. In its upper portion the ring O is provided with lugs h for the support of a detachable perforated dome-shaped spray-plate, I, having a solid-pointed center, Ic, the diameter of the base of which is somewhat greater than that of the iianged openingf or of the inlet-pipe Z, so that the water, which, in the practice of the invention, ows through the pipe l, may, by fallingon the said pointed portion, be scattered and made to descend through the perforations in the form of a shower, condensing the vapors or steam arising from the interior of the vacuum-pan, and causing the same to pass outward through the overflow pipes. The condensing ring or section C is furthermore provided with openings m, which, by means of suitable branch pipes, n, connect with an annnlar pipe, n', which in turn is furnished with a flanged pipe, p, through which the vacuum is created. y

Havingdescribed myinvention,what I claim as new, and desire to secure by Letters Patent, 1s

l. The combination, in a vacuumepan, of a condensing-section having upper and lower dome-shaped plates, the former provided with perforations around a solid center, and the latter having a iian ged opening in its center, substantially as and for the purpose set forth.

2. The condensing-section C, having an internal dome, E, provided with a central ianged opening, f, overflow-pipes d d, and spray-plate I, in combination with the vacuum-pan A, having a cover and inlet-pipe, substantially as and -for the purpose specified.

In testimony whereof I hereunto sign my name.

JOHN KELLY. Witnesses:

P. J. FINNEY, J. C. HUBBELL. 

